Home / 302,015.31-416,772.32-166,049.12

Finding the Fourth Proportional to 302,015.31, 416,772.32 and 166,049.12

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Solution

The fourth proportional to 302,015.31, 416,772.32 and 166,049.12 is: 229,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,015.31 : 416,772.32 = 166,049.12 : x
  2. Step 2: Convert to fraction form
    302,015.31/416,772.32 = 166,049.12/x
  3. Step 3: Cross multiply
    302,015.31x = 416,772.32 × 166,049.12
  4. Step 4: Simplify right side
    302,015.31x = 69,204,674,062.25
  5. Step 5: Solve for x
    x = 69,204,674,062.25/302,015.31
  6. Step 6: Final answer
    x = 229,142.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.